| IP: | 137.203.143.51 |
| Country: | United States (US) |
| Region: | MA |
| City: | Cambridge |
| Latitude: | 42.3741 |
| Longitude: | -71.1072 |
| Area code: | 617 |
| Reverse DNS: | mumble143051.merl.com |
| Class A: | 137 |
| Class B: | 137.203 |
| Class C: | 137.203.143 |
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